The order of presidence in wich flags are positioned based on the  Department of Defense Directive 1005.8. In A Single Line From Left To Right.

                                                             Old Glory                     POW-MIA

                    Army                          Marine Corp                     Navy                     Air Force              Coast Guard

FOLDING THE AMERICAN FLAG

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Flag Etiquette

STANDARDS of RESPECT
The Flag Code, which formalizes and unifies the traditional ways in which we give respect to the flag, also contains specific instructions on how the flag is not to be used. They are:

1. The flag should never be dipped to any person or thing. It is flown upside down only as a distress signal.
2. The flag should not be used as a drapery, or for covering a speakers desk, draping a platform, or for any decoration in general. Bunting of blue, white and red stripes is available for these purposes. The blue stripe of the bunting should be on the top.
3. The flag should never be used for any advertising purpose. It should not be embroidered, printed or otherwise impressed on such articles as cushions, handkerchiefs, napkins, boxes, or anything intended to be discarded after temporary use. Advertising signs should not be attached to the staff or halyard
4. The flag should not be used as part of a costume or athletic uniform, except that a flag patch may be used on the uniform of military personnel, fireman, policeman and members of patriotic organizations.
5. The flag should never have placed on it, or attached to it, any mark, insignia, letter, word, number, figure, or drawing of any kind.
6. The flag should never be used as a receptacle for receiving, holding, carrying, or delivering anything.
7. When the flag is lowered, no part of it should touch the ground or any other object; it should be received by waiting hands and arms. To store the flag it should be folded neatly and ceremoniously.
8. The flag should be cleaned and mended when necessary.
When a flag is so worn it is no longer fit to serve as a symbol of our country, it should be destroyed by burning in a dignified manner.

Sept 14 is the 200th Anniversary of the writing of the poem that later became our national anthem.  Francis Scott Key wrote “Defence of Fort M’Henry” (yes! that was the original spelling!) after witnessing the Battle of Fort McHenry in the War of 1812. Later renamed “The Star-Spangled Banner.” On March 3, 1931 through a congressional resolution signed by President Herbert Hoover proclaimed it the national anthem of the United States of America.